<template>
	<view>
		<view class="goods-list">
			<view v-for="(goods,i) in goodsList" :key="i" @click="gotoDetail(goods)">
				<my-goods :goods="goods"></my-goods>
			</view>
		</view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				//请求参数对象
				queryObj:{
					query:'',
					cid:'',
					pagenum:1,
					pagesize:10
				},
				goodsList:[],
				total:0,
				//节流阀
				isloading:false
				
				
			};
		},
		onLoad(options){
			this.queryObj.query=options.query || '',
			this.queryObj.cid=options.cid || ',',
			
			this.getGoodList()
		},
		methods:{
			
			async getGoodList(cb){
				//打开节流阀
				this.isloading=true
				const {data:res} =await uni.$http.get('/api/public/v1/goods/search',this.queryObj)
				//关闭节流阀
				this.isloading=false
				cb && cb()
				if(res.meta.status!==200) return uni.$showMsg()
				
				this.goodsList=[...this.goodsList,...res.message.goods]
				this.total=res.message.total
			},
			gotoDetail(goods){
				uni.navigateTo({
					url:'/subpkg/goods_detail/goods_detail?goods_id='+goods.goods_id
				})
			}
		},
		onReachBottom(){
			if(this.queryObj.pagenum*this.queryObj.pagesize>=this.total) return uni.$showMsg('数据加载完毕!')
			//如果为true，则返回
			if(this.isloading) return
			//让页码自增+1
			this.queryObj.pagenum++
			this.getGoodList()
		},
		onPullDownRefresh(){
			//重置关键数据
			this.queryObj.pagenum=1
			this.total=0
			this.isloading=false
			this.goodsList=[]
			//重新发起数据请求
			this.getGoodList(()=>uni.stopPullDownRefresh())
		}
	}
</script>

<style lang="scss">

</style>
